CN205886304U - Vacuum degasser - Google Patents
Vacuum degasser Download PDFInfo
- Publication number
- CN205886304U CN205886304U CN201620695291.5U CN201620695291U CN205886304U CN 205886304 U CN205886304 U CN 205886304U CN 201620695291 U CN201620695291 U CN 201620695291U CN 205886304 U CN205886304 U CN 205886304U
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- vacuum degasser
- vacuum
- umbrella
- face
- umbrella cover
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- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 35
- 238000007872 degassing Methods 0.000 abstract description 16
- 238000007493 shaping process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 230000032683 aging Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000009849 vacuum degassing Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 13
- 239000007921 spray Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 235000012791 bagels Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a vacuum degasser, including airtight casing (100) that have feed inlet (101), discharge gate (102) and evacuation mouth (103) to and can set up distribution dish (200) in airtight casing (100) with turning round, be formed with the toper distribution face that has the axis of rotation along vertical direction on distribution dish (200), the pointed end of this toper distribution face up and with align along vertical direction feed inlet (101). The device have the high efficiency, in succession, the advantage such as abundant that outgases, the very big has shortened the degasification time. And more outstanding to have become batch intermittent operation's ageing process into the continuous operation unit to it is more stable. The vacuum degassing who is particularly useful for the catalyst slurry before the shaping.
Description
Technical field
The utility model is related to vacuum outgas field, in particular it relates to a kind of vacuum degasser, especially a kind of catalysis
The vacuum degasser of agent slurry.
Background technology
Extensively, such as, in the fields such as petrochemical industry, the slurry before shaping of catalyst needs the application of vacuum outgas
It is de-gassed.This is because in being spray-dried this link, after slurry of spraying projects from nozzle, reaching spraying tower wall
During, due to being under the high temperature conditions, the moisture in slurry can evaporate rapidly, so that the mist particles ejecting are dried to
For spherical solid granulates.If containing bubble in slurry, during mist particles spatial movement in tower, due to and slurry
The coefficient of expansion difference of material makes bubble in the internal rapid expansion of particle, leads to particle to burst apart, such particle is after reaching tower wall
Reform into sector or the hollow ring particle (shape such as bagel) of fragmentation, thus leading to the reduction of yield, and abrasivity
Can be also poor.
As it was previously stated, a kind of method of above-mentioned " bagel " that solves the problems, such as is by the gas row in the slurry being configured to
Go out, that is, deaerate, so can improve spray effect.The method of degassing has many kinds, and general method is using still aging
Method, allows the gas in slurry voluntarily to deviate from from slurry over time, but the time is longer, typically at least want 24 hours left
The right side, and because degassing is not thorough, lead to spray effect also not ideal.
Utility model content
The purpose of this utility model is to provide a kind of vacuum degasser, the degasifying effect of this vacuum degasser and efficiency
Preferably.
To achieve these goals, the utility model provides a kind of vacuum degasser, and this vacuum degasser includes tool
There is the closed shell of charging aperture, discharging opening and vacuum orifice, and be pivotally arranged on the distributing disc in described closed shell,
The conical distributor face vertically with axis of rotation is formed with described distributing disc, the tip in this conical distributor face is upward simultaneously
Vertically aligned with described charging aperture.
Alternatively, described distributing disc is formed as umbrella-shaped structure, and this umbrella-shaped structure includes forming the umbrella in described conical distributor face
Face and along described axis of rotation extend to support the umbrella axle of this umbrella cover.
Alternatively, described umbrella cover is formed with through hole, so that the surfaces externally and internally of described umbrella cover is respectively formed as described cone
Shape distribution surface.
Alternatively, described through hole is uniform or is randomly assigned multiple on described umbrella cover.
Alternatively, described conical distributor face is formed as circular cone distribution surface.
Alternatively, the coning angle of described circular cone distribution surface is 90 ° -135 °.
Alternatively, described vacuum degasser also includes filling for the level sensing detecting liquid level in described closed shell
Put.
Alternatively, described vacuum degasser also includes motor, and the drive shaft of this motor extends simultaneously along described axis of rotation
It is in transmission connection with described distributing disc.
Alternatively, described charging aperture is formed by the feed pipe extending in described closed shell.
Alternatively, described vacuum degasser is catalyst pulp degasser.
By technique scheme, due to arranging rotatable distributing disc in the closed shell vacuumizing, and this point
Cloth disk is formed with conical distributor face, and vacuum outgas can be combined, in vacuum by therefore the utility model with liquid film Degassing Technology
Under state, the flowable materials such as slurry being entered by charging aperture can uniform and thin unfertile land be tiled on conical distribution face, thus
Reduce the thickness of slurry, increased degassing contact area, and then improve efficiency, and by adjusting the velocity of rotation of distributing disc
Flowing velocity on distribution surface for the slurry being adjusted, thus combining feed rate to adjust degassing degree, degassing effect is substantially improved
Fruit and efficiency.And, this device has the advantages that efficient, continuous, degassing is abundant, highly shortened degassing time.And more
Prominent, the ageing process of batch intermittently operated is become continuous operation unit, thus more stable.
Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for specification, and following
Specific embodiment be used for together explaining the utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the vacuum degasser that a kind of embodiment of the utility model provides.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains the utility model, is not limited to the utility model.
In the utility model, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, bottom, top " is generally
It is to define in the case of the normal use of the vacuum degasser that the utility model provides, specifically refer to shown in Fig. 1
Page.And " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in figure 1, a kind of vacuum degasser that the utility model provides, especially a kind of flowing slurry, for example, urge
The vacuum degasser of agent slurry.It includes the closed shell with charging aperture 101, discharging opening 102 and vacuum orifice 103
100, for example columnar structured.So, charging aperture 101 can be connected with the feed system 700 of such as catalyst feed system, goes out
Material mouth 102 can be connected with downstream line 800, so that the slurry after degassing is for further processing, and vacuum orifice 103 can
To connect with vacuum system 600, thus the vacuum state in closed shell 100 operationally can be kept.
In a kind of embodiment of the present utility model, as shown in figure 1, vacuum degasser also includes pivotally arranging
Distributing disc 200 in closed shell 100, this distributing disc 200 is formed with and vertically has the taper of axis of rotation and divide
Join face, the tip in this conical distributor face is upward and vertically aligned with charging aperture 101.
So, due to arranging rotatable distributing disc 200 in the closed shell 100 vacuumizing, and this distributing disc 200
It is formed with conical distributor face, vacuum outgas can be combined, in vacuum state by therefore the utility model with liquid film Degassing Technology
Under, the flowable materials such as slurry being entered by charging aperture 101 can utilize conical distributor face, relies on deadweight and centrifugal force, from cone
Being uniformly distributed to surrounding, can uniform and thin unfertile land tile on conical distribution face, thus reducing the thickness of slurry, increasing
Degassing contact area, and then improve efficiency, and by adjusting the speed of gyration of distributing disc 200, set up different centrifugal force,
To adjust flowing velocity on distribution surface for the slurry, thus combining feed rate to adjust degassing degree, degasifying effect is substantially improved
And efficiency.And, this device has the advantages that efficient, continuous, degassing is abundant, greatly shortens degassing time.And it is more prominent
Go out, the ageing process of batch intermittently operated is become continuous operation unit, thus more stable.
In the present embodiment, distributing disc 200 is formed as umbrella-shaped structure, and this umbrella-shaped structure includes forming conical distributor face
Umbrella cover 201 and extending to support the umbrella axle 202 of this umbrella cover 201 along axis of rotation, drives umbrella cover 201 by the revolution of umbrella axle
Revolution.In other possible embodiments, distributing disc can also be the entity structures such as frustum.Wherein, in the present embodiment,
Through hole 203 be could be formed with umbrella cover 201, so that the surfaces externally and internally of umbrella cover is respectively formed as conical distributor face.That is, outside umbrella cover
A part of slurry on surface can flow on the inner surface of umbrella cover by through hole 203, thus increasing slurry and true further
Empty contact area, so that two surfaces of umbrella cover can use as the taper surface spreading slurry out, increased degasifying effect.
Wherein, through hole 203 can be multiple, the index such as viscosity according to slurry so that multiple through hole 203 uniformly or
It is randomly assigned on umbrella cover, for example, be radially distributed with circumference simultaneously.
In the present embodiment, in order to lift the distributing homogeneity of slurry, conical distributor face can be formed as circular cone distribution
Face.That is, distribution surface will not form the dead-centre positions such as extension angle.In other possible embodiments, conical distributor face can also
For pyramidal structures such as pyrometric cones.
Wherein, alternatively, the coning angle of circular cone distribution surface is 90 ° -135 °, to ensure the best distribution effect of slurry.Separately
Outward, so that slurry is processed in time, alternatively, vacuum degasser is also included for detecting liquid in closed shell 100
The liquid level detection device 400 of position, such as liquid level gauge.This liquid level gauge can be arranged on the outside of closed shell 100, with simultaneous display
Current level, thus point out corresponding personnel to be processed in time.In other embodiments, it is automatic for can be devised by material mouth
Control, when the liquid level of liquid level detection device 400 detection exceedes predetermined threshold value, discharging opening valve can be automatically controlled by controller
Door is opened for discharging work.
In the present embodiment, vacuum degasser can also include motor 500, and the drive shaft of this motor 500 is along revolution
Axis is extended and is in transmission connection with distributing disc 200, and specifically, the drive shaft of this motor 500 can be passed through to slow down with umbrella axle 202
The transmission devices such as machine, shaft coupling are attached, thus driving distributing disc to turn round around axis of rotation.Wherein pass through controlled motor rotating speed
The control to distributing disc speed of gyration can be realized.In other embodiments, it is possible to use the revolution driving such as hydraulic motor
Part substitutes motor.
Charging aperture 101 and the cone angle in conical distributor face is made to align for convenience, in the present embodiment, charging aperture 101
Can be formed by the feed pipe 104 extending in closed shell, wherein feed pipe 104 can extend to closed shell 100 with one end
Center.The other end is stretched out closed shell 100 and is connected with feed system 700.Wherein on feed pipe 104, valve can be set
Whether door is fed or feed rate with controlling.
In order to prove the beneficial effects of the utility model further, new to this practicality below in conjunction with embodiment and comparative example
Type is described further.A kind of characterizing method of offgassing results wherein can be determined first.
Degassing degree can be characterized by the particle abrasion resistance after spray shaping, because the degasifying effect of this device is bright
Aobvious, so its abrasion resistance has very big lifting.
Catalyst pulp through pre-treatment is utilized spray drying device opd-8 (limited by Shanghai Jing Qiao drying equipment
Company rises and produces) it is spray-dried, spray condition is as follows: 150 DEG C of 300 DEG C of outlet temperatures of inlet temperature, rotary speed
20hz.
Sample is carried out abrasion test (abrasion instrument of employing is the determining instrument that the lucky company of Beijing Hui Er tri- produces), purpose
It is to investigate the abrasion index of catalyst particle, method for measuring and condition are carried out according to GB gb-t 10505.2-1989,
Abrasion index is calculated according to following formula:
Abrasion index=[(w1-w0)/ws]/4；Ws=w2+w1-w0 therein
Wherein w0 represents the weight of collecting bag sky bag, unit: g；
W1 represent abrasion 4 hours after collecting bag gross weight, unit: g；
W2 represents after abrasion 4 hours catalyst weight, unit: g in developmental tube；
Ws represents 4 hours rear catalyst gross weights of abrasion, unit: g.
Embodiment 1:
Using there is the umbrella-shaped structure of conical distribution surface as distributing disc 200, and not opened hole 203 on umbrella cover；
Each part dimension is as follows:
The diameter 100cm of columnar closed shell, height 120cm；Height (umbrella cover top and the umbrella cover side of umbrella cover 201
The vertical range of edge place plane) 20cm；Umbrella cover maximum gauge 70cm
Technological parameter is as follows:
Vacuum -0.07mpa；Slurry viscosity: 300mpa s；Slurry feed rate 30l/min；Distributing disc rotating speed 50r/
min.
Testing the attrition of catalyst intensity after its shaping is: 0.5%
Embodiment 2:
Using there is the umbrella-shaped structure of conical distribution surface as distributing disc 200, and opened hole 203 on umbrella cover；
Each part dimension is as follows:
Columnar closed shell diameter 100cm, height 120cm；Umbrella cover 201 height 20cm；Umbrella cover maximum gauge 70cm；
Uniformly open 10 holes above distributing disc, have 5 row holes along umbrella cover is equally circumferentially spaced, often show 2 holes, each hole aperture 1cm；
Distributing disc rotating speed 60r/min.
Technological parameter is as follows:
Vacuum -0.07mpa；Slurry viscosity: 800mpa s；Slurry feed rate 20l/min；
Testing the attrition of catalyst intensity after its shaping is: 0.35%
Comparative example 1:
Slurry in embodiment 1 is carried out carrying out spray shaping after nature is aged 12 hours by the way of still aging.
Testing the attrition of catalyst intensity after its shaping is: 0.9%
Comparative example 2:
Slurry in embodiment 2 is carried out carrying out spray shaping after nature is aged 12 hours by the way of still aging.
Testing the attrition of catalyst intensity after its shaping is: 0.7%
Comparative example 3:
Slurry in embodiment 2 is carried out vacuumizing 2 little by the way of standing vacuumizes (vacuum -0.07mpa)
When after carry out spray shaping.
Testing the attrition of catalyst intensity after its shaping is: 0.65%
To sum up, slurry viscosity be can be seen that by above example and the data of comparative example different, after its spray shaping
Abrasion resistance also has difference, the slurry after embodiment 1 and 2 is processed, then after spray shaping, its abrasion resistance has obtained relatively
It is obviously improved.In comparative example 3 using vacuumize still aging by the way of also be capable of shorten digestion time purpose, but
Its abrasion resistance is more or less the same with the result being naturally aged and time cost is higher.
Describe preferred embodiment of the present utility model above in association with accompanying drawing in detail, but, the utility model does not limit
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
Plant possible combination no longer separately to illustrate.
Additionally, can also be combined, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of vacuum degasser is it is characterised in that this vacuum degasser is included with charging aperture (101), discharging opening
(102) and vacuum orifice (103) closed shell (100), and be pivotally arranged in described closed shell (100) point
Cloth disk (200), described distributing disc (200) is formed with the conical distributor face vertically with axis of rotation, this taper divides
The tip joining face is upward and vertically aligned with described charging aperture (101).
2. vacuum degasser according to claim 1 is it is characterised in that described distributing disc (200) is formed as umbrella knot
Structure, this umbrella-shaped structure includes forming the umbrella cover (201) in described conical distributor face and extends to support this umbrella along described axis of rotation
The umbrella axle (202) in face (201).
3. vacuum degasser according to claim 2 is it is characterised in that be formed with through hole on described umbrella cover (201)
(203), so that the surfaces externally and internally of described umbrella cover is respectively formed as described conical distributor face.
4. vacuum degasser according to claim 3 is it is characterised in that described through hole (203) is to divide uniformly or at random
Fit over multiple on described umbrella cover.
5. the vacuum degasser according to any one in claim 1-4 is it is characterised in that described conical distributor face shape
Become circular cone distribution surface.
6. vacuum degasser according to claim 5 it is characterised in that described circular cone distribution surface coning angle be 90 °-
135°.
7. vacuum degasser according to claim 1 is it is characterised in that described vacuum degasser is also included for examining
Survey the liquid level detection device (400) of the interior liquid level of described closed shell (100).
8. the vacuum degasser according to any one in claim 1-4 is it is characterised in that described vacuum degasser
Also include motor (500), the drive shaft of this motor (500) is extended along described axis of rotation and is driven with described distributing disc (200)
Connect.
9. the vacuum degasser according to any one in claim 1-4 is it is characterised in that described charging aperture (101)
Formed by the feed pipe (104) extending in described closed shell.
10. the vacuum degasser according to any one in claim 1-4 is it is characterised in that described vacuum outgas fills
It is set to catalyst pulp degasser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695291.5U CN205886304U (en) | 2016-07-04 | 2016-07-04 | Vacuum degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695291.5U CN205886304U (en) | 2016-07-04 | 2016-07-04 | Vacuum degasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205886304U true CN205886304U (en) | 2017-01-18 |
Family
ID=57771573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695291.5U Active CN205886304U (en) | 2016-07-04 | 2016-07-04 | Vacuum degasser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205886304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961565A (en) * | 2017-12-27 | 2018-04-27 | 山西瑞飞机械制造有限公司 | A kind of duplex vacuum degassing machine |
-
2016
- 2016-07-04 CN CN201620695291.5U patent/CN205886304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961565A (en) * | 2017-12-27 | 2018-04-27 | 山西瑞飞机械制造有限公司 | A kind of duplex vacuum degassing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 22, diazepam West Binhe Road, Dongcheng District, Beijing, Beijing Co-patentee after: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY Patentee after: CHINA ENERGY INVESTMENT Corp.,Ltd. Address before: 100011 Shenhua building, 22, Ping Men Road, West Binhe Road, Dongcheng District, Beijing Co-patentee before: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY Patentee before: SHENHUA GROUP Corp.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee after: Beijing low carbon clean energy research institute Address before: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee before: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee before: Beijing low carbon clean energy research institute |
|
| CP01 | Change in the name or title of a patent holder |